There is almost a full box leftover from the installation. There were some bad boards the installers pointed out to me. If some boards were not straight, they could have discarded all the bad ones.

Some folks suggested I upload pictures. Here is one with the gap unfilled and one with it filled.

http://s24.postimg.org/81iwtv191/1_gap.jpg

http://s14.postimg.org/lxfuh7tc1/2_filled.jpg